Documentation for claim

Debunk claim:

Experts say that voter fraud simply does not exist in America at a scale large enough to rig an election. American elections have so many overlapping layers of oversight that experts say manipulating the results would be close to impossible. http: //bit.ly/2es0Hhg, https://www.washingtonpost.com/graphics/politics/2016-election/how-to-rig-an-election/ http://www.osce.org/odihr/elections/99573?download=true